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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter N - Effluent Guidelines and Standards |
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Part 467 - Aluminum Forming Point Source Category |
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Subpart B - Rolling With Emulsions Subcategory |
§ 467.26 - Pretreatment standards for new sources.
Latest version.
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§ 467.26 Pretreatment standards for new sources.
Except as provided in § 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of process wastewater pollutants from the core and ancillary operations introduced into a POTW shall not exceed the values set forth below:
Subpart B
Core
Pollutant or pollutant property PSNS Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum rolled with emulsions Chromium 0.048 0.020 Cyanide 0.026 0.011 Zinc 0.133 0.055 TTO 0.090 Oil and grease (alternate monitoring parameter) 1.30 1.30 Subpart B
Direct Chill Casting Contact Cooling Water
Pollutant or pollutant property PSNS Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum cast by semicontinuous methods Chromium 0.49 0.20 Cyanide 0.27 0.11 Zinc 1.36 0.56 TTO 0.92 Oil and grease (alternate monitoring parameter) 13.29 13.29 Subpart B
Solution Heat Treatment Contact Cooling Water
Pollutant or pollutant property PSNS Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum quenched Chromium 0.76 0.31 Cyanide 0.41 0.17 Zinc 2.08 0.86 TTO 1.41 Oil and grease (alternate monitoring parameter) 20.37 20.37 Subpart B
Cleaning or Etching Bath
Pollutant or pollutant property PSNS Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched Chromium 0.067 0.027 Cyanide 0.036 0.015 Zinc 0.183 0.075 TTO 0.124 Oil and grease (alternate monitoring parameter) 1.79 1.79 Subpart B
Cleaning or Etching Rinse
Pollutant or pollutant property PSNS Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched Chromium 0.52 0.21 Cyanide 0.28 0.11 Zinc 1.42 0.59 TTO 0.96 Oil and grease (alternate monitoring parameter) 13.91 13.91 Subpart B
Cleaning or Etching Scrubber Liquor
Pollutant or pollutant property PSNS Maximum for any 1 day Maximum for monthly average mg/off-kg (lb/million off-lbs) of aluminum cleaned or etched Chromium 0.72 0.29 Cyanide 0.39 0.16 Zinc 1.97 0.81 TTO 1.34 Oil and grease (alternate monitoring parameter) 19.33 19.33 [48 FR 49149, Oct. 24, 1983; 49 FR 11631, 11632, Mar. 27, 1984]